NF1 patient MRI data were acquired on a Philips Achieva 3T MRI scanner (Best, NL) using a 32-channel receive-only head coil. 3D T1-weighted MRI were acquired sagittally with a magnetization-prepared rapid acquisition gradient-echo sequence (MPRAGE; time repetition, TR = 8.4 ms; time echo, TE = 3.77 ms; flip angle = 8o, inversion time = 1,150 ms, 0.94 mm in-plane resolution and 150 slices of 1 mm).
Control data from HCa and HCb studies were acquired on a 3T Siemens Allegra scanner at Brain Research Centre, University of Pittsburgh. Structural data were acquired using sagittal 3D magnetization prepared rapid gradient-echo (MPRAGE; HCa (Padmanabhan et al. 2011 (link)): TR = 1.5 s, TE = 25 ms, flip angle = 70o, 224 slices of 0.7825 mm; HCb (Geier et al. 2010 (link)): TR = 1.5 s, TE = 25 ms, flip angle = 70o, 192 slices of 1 mm).
Control data from HCa and HCb studies were acquired on a 3T Siemens Allegra scanner at Brain Research Centre, University of Pittsburgh. Structural data were acquired using sagittal 3D magnetization prepared rapid gradient-echo (MPRAGE; HCa (Padmanabhan et al. 2011 (link)): TR = 1.5 s, TE = 25 ms, flip angle = 70o, 224 slices of 0.7825 mm; HCb (Geier et al. 2010 (link)): TR = 1.5 s, TE = 25 ms, flip angle = 70o, 192 slices of 1 mm).
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